SWOMCD
SPC MCD 092309
SDZ000-100015-
MESOSCALE DISCUSSION 1554
NWS STORM PREDICTION CENTER NORMAN OK
0609 PM CDT SAT JUL 09 2011
AREAS AFFECTED...CNTRL/ERN SD
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 092309Z - 100015Z
ISOLD TSTMS WILL BE POSSIBLE IN CNTRL/ERN SD THIS EVENING WITH RISKS
FOR SVR WIND GUSTS/LARGE HAIL. SVR POTENTIAL WILL LIKELY REMAIN TOO
SPARSE FOR A WEATHER WATCH.
VIS SATL SHOWS TCU SPROUTING ALONG A COLD FRONT AND OUTFLOW BOUNDARY
INTERSECTION FROM NE-S OF KPIR AT 23Z. DOWNSTREAM AIR MASS IS
VIRTUALLY VOID OF SFC-BASED CU...LIKELY SUPPRESSED AND CAPPED IN
WAKE OF EARLY DAY MID-LVL SPEED MAX. THUS...EXPECT THAT ANY STORM
THAT FORMS VCNTY THE MO RVR IN CNTRL SD WILL QUICKLY DIMINISH AS
THEY MOVE OFF THE BOUNDARY AND BEGIN INGESTING PARCELS CONTAINING
MORE INHIBITION E OF THE RIVER. STILL...ANY STORM THAT FORMS COULD
BRIEFLY BECOME STG-SVR WITH DMGG WINDS/LARGE HAIL IN THE NARROW
CORRIDOR ALONG THE MO RVR FROM WINNER TO PIERRE AND VCNTY THE COLD
FRONT FROM PIERRE NE TOWARD ABERDEEN.
..RACY.. 07/09/2011
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...FSD...ABR...UNR...
LAT...LON 43060006 43280024 43590045 44020059 44410062 44760019
45199967 45649879 45909847 45689807 45279792 44739775
44219772 43749776 43259796 43139808 43079832 43060006
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